Attachment 360590 Details for Bug 193984 – Patch

[patch] Patch

bug-193984-20190130101549.patch (text/plain), 5.56 KB, created by Jer Noble on 2019-01-30 10:15:50 PST

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Creator: Jer Noble

Created: 2019-01-30 10:15:50 PST

Size: 5.56 KB

patch

obsolete

>Subversion Revision: 240715
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index b3d90d26c7e52c2139436279230fc94559256fd2..17651977ebf75ae6efd0c3b02f6b90132e5bea00 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,26 @@
>+2019-01-29  Jer Noble  <jer.noble@apple.com>
>+
>+        [Cocoa][EME] persistent-usage-record data not issued after MediaKeySession.remove()
>+        https://bugs.webkit.org/show_bug.cgi?id=193984
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        MediaKeySession.sessionId is empty during the CDMInstance->requestLicense success callback handler. The
>+        KVO notification that AVContentKeySession.contentProtectionSessionIdentifier changed isn't called until
>+        after the -[AVContentKeyRequest makeStreamingContentKeyRequestDataForApp:contentIdentifier:options:completionHandler:]
>+        completion handler is called.
>+
>+        Explicitly ask for the -contentProtectionSessionIdentifier inside that handler, and just in case the sessionID
>+        changes after that, add a new client callback method to notify the MediaKeySession that the ID has changed.
>+
>+        * Modules/encryptedmedia/MediaKeySession.cpp:
>+        (WebCore::MediaKeySession::sessionIdChanged):
>+        * Modules/encryptedmedia/MediaKeySession.h:
>+        * platform/encryptedmedia/CDMInstanceSession.h:
>+        * platform/graphics/avfoundation/objc/CDMInstanceFairPlayStreamingAVFObjC.mm:
>+        (WebCore::CDMInstanceSessionFairPlayStreamingAVFObjC::didProvideRequest):
>+        (WebCore::CDMInstanceSessionFairPlayStreamingAVFObjC::nextRequest):
>+
> 2019-01-22  Jer Noble  <jer.noble@apple.com>
> 
>         [Cocoa] Media elements will restart network buffering just before suspending
>diff --git a/Source/WebCore/Modules/encryptedmedia/MediaKeySession.cpp b/Source/WebCore/Modules/encryptedmedia/MediaKeySession.cpp
>index 4bea9a0084bee6873298dd34bea37a04eaa69fda..7b38450d6e82da06ffb2b962a4e983b18ed1d932 100644
>--- a/Source/WebCore/Modules/encryptedmedia/MediaKeySession.cpp
>+++ b/Source/WebCore/Modules/encryptedmedia/MediaKeySession.cpp
>@@ -671,6 +671,11 @@ void MediaKeySession::sendMessage(CDMMessageType messageType, Ref<SharedBuffer>&
>     enqueueMessage(messageType, message);
> }
> 
>+void MediaKeySession::sessionIdChanged(const String& sessionId)
>+{
>+    m_sessionId = sessionId;
>+}
>+
> void MediaKeySession::updateExpiration(double)
> {
>     notImplemented();
>diff --git a/Source/WebCore/Modules/encryptedmedia/MediaKeySession.h b/Source/WebCore/Modules/encryptedmedia/MediaKeySession.h
>index 35d8174268cab1d78d5f560b62b4009ba618524c..b64cab87f151d2596a11d0d6f342f0521f11ca17 100644
>--- a/Source/WebCore/Modules/encryptedmedia/MediaKeySession.h
>+++ b/Source/WebCore/Modules/encryptedmedia/MediaKeySession.h
>@@ -87,6 +87,7 @@ private:
>     // CDMInstanceSessionClient
>     void updateKeyStatuses(CDMInstanceSessionClient::KeyStatusVector&&) override;
>     void sendMessage(CDMMessageType, Ref<SharedBuffer>&& message) final;
>+    void sessionIdChanged(const String&) final;
> 
>     // EventTarget
>     EventTargetInterface eventTargetInterface() const override { return MediaKeySessionEventTargetInterfaceType; }
>diff --git a/Source/WebCore/platform/encryptedmedia/CDMInstanceSession.h b/Source/WebCore/platform/encryptedmedia/CDMInstanceSession.h
>index 797a2f95dad9932cf3eb0d726f67a9045392a02d..8d12a018e5ac4a89d37bb52c425a74bb50ac1566 100644
>--- a/Source/WebCore/platform/encryptedmedia/CDMInstanceSession.h
>+++ b/Source/WebCore/platform/encryptedmedia/CDMInstanceSession.h
>@@ -47,6 +47,7 @@ public:
>     using KeyStatusVector = Vector<std::pair<Ref<SharedBuffer>, KeyStatus>>;
>     virtual void updateKeyStatuses(KeyStatusVector&&) = 0;
>     virtual void sendMessage(CDMMessageType, Ref<SharedBuffer>&& message) = 0;
>+    virtual void sessionIdChanged(const String&) = 0;
> };
> 
> class CDMInstanceSession : public RefCounted<CDMInstanceSession> {
>diff --git a/Source/WebCore/platform/graphics/avfoundation/objc/CDMInstanceFairPlayStreamingAVFObjC.mm b/Source/WebCore/platform/graphics/avfoundation/objc/CDMInstanceFairPlayStreamingAVFObjC.mm
>index e03475669af23942899e78c880a01b2d965cf6b2..2293593852bdc811b977de8279e956db5ef059aa 100644
>--- a/Source/WebCore/platform/graphics/avfoundation/objc/CDMInstanceFairPlayStreamingAVFObjC.mm
>+++ b/Source/WebCore/platform/graphics/avfoundation/objc/CDMInstanceFairPlayStreamingAVFObjC.mm
>@@ -527,6 +527,8 @@ void CDMInstanceSessionFairPlayStreamingAVFObjC::didProvideRequest(AVContentKeyR
>             if (!weakThis)
>                 return;
> 
>+            sessionIdentifierChanged(m_session.get().contentProtectionSessionIdentifier);
>+
>             if (error && m_requestLicenseCallback)
>                 m_requestLicenseCallback(SharedBuffer::create(), m_sessionId, false, Failed);
>             else if (m_requestLicenseCallback)
>@@ -630,13 +632,15 @@ bool CDMInstanceSessionFairPlayStreamingAVFObjC::shouldRetryRequestForReason(AVC
> 
> void CDMInstanceSessionFairPlayStreamingAVFObjC::sessionIdentifierChanged(NSData *sessionIdentifier)
> {
>-    if (!sessionIdentifier) {
>-        m_sessionId = emptyString();
>+    String sessionId = emptyString();
>+    if (sessionIdentifier)
>+        sessionId = adoptNS([[NSString alloc] initWithData:sessionIdentifier encoding:NSUTF8StringEncoding]).get();
>+
>+    if (m_sessionId == sessionId)
>         return;
>-    }
> 
>-    auto sessionIdentifierString = adoptNS([[NSString alloc] initWithData:sessionIdentifier encoding:NSUTF8StringEncoding]);
>-    m_sessionId = sessionIdentifierString.get();
>+    m_sessionId = sessionId;
>+    m_client->sessionIdChanged(m_sessionId);
> }
> 
> static auto requestStatusToCDMStatus(AVContentKeyRequestStatus status)

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Attachments on bug 193984: 360515 | 360590